12412388 has 12 divisors (see below), whose sum is σ = 22131900. Its totient is φ = 6088992.

The previous prime is 12412373. The next prime is 12412391. The reversal of 12412388 is 88321421.

It can be written as a sum of positive squares in 2 ways, for example, as 6927424 + 5484964 = 2632^2 + 2342^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12412388.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29063 + ... + 29486.

It is an arithmetic number, because the mean of its divisors is an integer number (1844325).

Almost surely, 2^12412388 is an apocalyptic number.

It is an amenable number.

12412388 is a deficient number, since it is larger than the sum of its proper divisors (9719512).

12412388 is a wasteful number, since it uses less digits than its factorization.

12412388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58606 (or 58604 counting only the distinct ones).

The product of its digits is 3072, while the sum is 29.

The square root of 12412388 is about 3523.1219110329. The cubic root of 12412388 is about 231.5359581032.

It can be divided in two parts, 12412 and 388, that multiplied together give a triangular number (4815856 = T₃₁₀₃).

The spelling of 12412388 in words is "twelve million, four hundred twelve thousand, three hundred eighty-eight".