12270988 has 6 divisors (see below), whose sum is σ = 21474236. Its totient is φ = 6135492.

The previous prime is 12270971. The next prime is 12271003. The reversal of 12270988 is 88907221.

It is a super-2 number, since 2×12270988² = 301154292992288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1533870 + ... + 1533877.

Almost surely, 2^12270988 is an apocalyptic number.

It is an amenable number.

12270988 is a deficient number, since it is larger than the sum of its proper divisors (9203248).

12270988 is a wasteful number, since it uses less digits than its factorization.

12270988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3067751 (or 3067749 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 12270988 is about 3502.9970025679. The cubic root of 12270988 is about 230.6533909668.

The spelling of 12270988 in words is "twelve million, two hundred seventy thousand, nine hundred eighty-eight".