12693542 has 4 divisors (see below), whose sum is σ = 19040316. Its totient is φ = 6346770.

The previous prime is 12693533. The next prime is 12693547. The reversal of 12693542 is 24539621.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×12693542² = 322252017011528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12693499 and 12693508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12693547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3173384 + ... + 3173387.

It is an arithmetic number, because the mean of its divisors is an integer number (4760079).

Almost surely, 2^12693542 is an apocalyptic number.

12693542 is a deficient number, since it is larger than the sum of its proper divisors (6346774).

12693542 is an equidigital number, since it uses as much as digits as its factorization.

12693542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6346773.

The product of its digits is 12960, while the sum is 32.

The square root of 12693542 is about 3562.7997417761. The cubic root of 12693542 is about 233.2711022250.

The spelling of 12693542 in words is "twelve million, six hundred ninety-three thousand, five hundred forty-two".