13692040 has 32 divisors (see below), whose sum is σ = 31466880. Its totient is φ = 5359552.

The previous prime is 13692037. The next prime is 13692047. The reversal of 13692040 is 4029631.

It is a junction number, because it is equal to n+sod(n) for n = 13691996 and 13692014.

It is not an unprimeable number, because it can be changed into a prime (13692047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1762 + ... + 5521.

It is an arithmetic number, because the mean of its divisors is an integer number (983340).

Almost surely, 2^13692040 is an apocalyptic number.

13692040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13692040 is an abundant number, since it is smaller than the sum of its proper divisors (17774840).

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

13692040 is a wasteful number, since it uses less digits than its factorization.

13692040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7341 (or 7337 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 13692040 is about 3700.2756654066. The cubic root of 13692040 is about 239.2338997379.

The spelling of 13692040 in words is "thirteen million, six hundred ninety-two thousand, forty".