12942554 has 4 divisors (see below), whose sum is σ = 19413834. Its totient is φ = 6471276.

The previous prime is 12942539. The next prime is 12942571. The reversal of 12942554 is 45524921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45524921 = 13 ⋅3501917.

It can be written as a sum of positive squares in only one way, i.e., 7991929 + 4950625 = 2827^2 + 2225^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12942554.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3235637 + ... + 3235640.

Almost surely, 2^12942554 is an apocalyptic number.

12942554 is a deficient number, since it is larger than the sum of its proper divisors (6471280).

12942554 is an equidigital number, since it uses as much as digits as its factorization.

12942554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6471279.

The product of its digits is 14400, while the sum is 32.

The square root of 12942554 is about 3597.5761284509. The cubic root of 12942554 is about 234.7866117874.

The spelling of 12942554 in words is "twelve million, nine hundred forty-two thousand, five hundred fifty-four".