12136942 has 4 divisors (see below), whose sum is σ = 18205416. Its totient is φ = 6068470.

The previous prime is 12136937. The next prime is 12137003. The reversal of 12136942 is 24963121.

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

It is a super-2 number, since 2×12136942² = 294610722222728, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12136942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3034234 + ... + 3034237.

It is an arithmetic number, because the mean of its divisors is an integer number (4551354).

Almost surely, 2^12136942 is an apocalyptic number.

12136942 is a deficient number, since it is larger than the sum of its proper divisors (6068474).

12136942 is an equidigital number, since it uses as much as digits as its factorization.

12136942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6068473.

The product of its digits is 2592, while the sum is 28.

The square root of 12136942 is about 3483.8114185472. The cubic root of 12136942 is about 229.8104424303.

The spelling of 12136942 in words is "twelve million, one hundred thirty-six thousand, nine hundred forty-two".