13930542 has 20 divisors (see below), whose sum is σ = 31215096. Its totient is φ = 4643460.

The previous prime is 13930541. The next prime is 13930559. The reversal of 13930542 is 24503931.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13930541) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 42834 + ... + 43157.

Almost surely, 2^13930542 is an apocalyptic number.

13930542 is an abundant number, since it is smaller than the sum of its proper divisors (17284554).

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

13930542 is an equidigital number, since it uses as much as digits as its factorization.

13930542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86005 (or 85996 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 13930542 is about 3732.3641301459. The cubic root of 13930542 is about 240.6149852919.

The spelling of 13930542 in words is "thirteen million, nine hundred thirty thousand, five hundred forty-two".