12975998 has 16 divisors (see below), whose sum is σ = 23553504. Its totient is φ = 5233920.

The previous prime is 12975983. The next prime is 12976009. The reversal of 12975998 is 89957921.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27023 + ... + 27498.

It is an arithmetic number, because the mean of its divisors is an integer number (1472094).

Almost surely, 2^12975998 is an apocalyptic number.

12975998 is a deficient number, since it is larger than the sum of its proper divisors (10577506).

12975998 is a wasteful number, since it uses less digits than its factorization.

12975998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54547.

The product of its digits is 408240, while the sum is 50.

The square root of 12975998 is about 3602.2212591677. The cubic root of 12975998 is about 234.9886700438.

The spelling of 12975998 in words is "twelve million, nine hundred seventy-five thousand, nine hundred ninety-eight".