13494940 has 48 divisors (see below), whose sum is σ = 31600800. Its totient is φ = 4810752.

The previous prime is 13494919. The next prime is 13494941. The reversal of 13494940 is 4949431.

It is a super-2 number, since 2×13494940² = 364226811207200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 13494896 and 13494905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13494941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5416 + ... + 7504.

It is an arithmetic number, because the mean of its divisors is an integer number (658350).

Almost surely, 2^13494940 is an apocalyptic number.

13494940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13494940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15800400).

13494940 is an abundant number, since it is smaller than the sum of its proper divisors (18105860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13494940 is a wasteful number, since it uses less digits than its factorization.

13494940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2134 (or 2132 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 13494940 is about 3673.5459708570. The cubic root of 13494940 is about 238.0804050061.

The spelling of 13494940 in words is "thirteen million, four hundred ninety-four thousand, nine hundred forty".