13690542 has 32 divisors (see below), whose sum is σ = 29376000. Its totient is φ = 4238208.

The previous prime is 13690529. The next prime is 13690549. The reversal of 13690542 is 24509631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13690549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7209 + ... + 8907.

It is an arithmetic number, because the mean of its divisors is an integer number (918000).

Almost surely, 2^13690542 is an apocalyptic number.

13690542 is an abundant number, since it is smaller than the sum of its proper divisors (15685458).

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

13690542 is a wasteful number, since it uses less digits than its factorization.

13690542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1800.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 13690542 is about 3700.0732425183. The cubic root of 13690542 is about 239.2251748279.

The spelling of 13690542 in words is "thirteen million, six hundred ninety thousand, five hundred forty-two".