12692542 has 8 divisors (see below), whose sum is σ = 19080000. Its totient is φ = 6332544.

The previous prime is 12692539. The next prime is 12692543. The reversal of 12692542 is 24529621.

12692542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12692542² = 322201244843528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12692543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5667 + ... + 7582.

It is an arithmetic number, because the mean of its divisors is an integer number (2385000).

Almost surely, 2^12692542 is an apocalyptic number.

12692542 is a deficient number, since it is larger than the sum of its proper divisors (6387458).

12692542 is a wasteful number, since it uses less digits than its factorization.

12692542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13730.

The product of its digits is 8640, while the sum is 31.

The square root of 12692542 is about 3562.6593999427. The cubic root of 12692542 is about 233.2649763481.

The spelling of 12692542 in words is "twelve million, six hundred ninety-two thousand, five hundred forty-two".