13298940 has 36 divisors (see below), whose sum is σ = 40340664. Its totient is φ = 3546336.

The previous prime is 13298927. The next prime is 13298951. The reversal of 13298940 is 4989231.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 13298895 and 13298904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36762 + ... + 37121.

It is an arithmetic number, because the mean of its divisors is an integer number (1120574).

Almost surely, 2^13298940 is an apocalyptic number.

13298940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13298940 is an abundant number, since it is smaller than the sum of its proper divisors (27041724).

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

13298940 is a wasteful number, since it uses less digits than its factorization.

13298940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73898 (or 73893 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 13298940 is about 3646.7711746146. The cubic root of 13298940 is about 236.9221557087.

The spelling of 13298940 in words is "thirteen million, two hundred ninety-eight thousand, nine hundred forty".