12401386 has 24 divisors (see below), whose sum is σ = 19722924. Its totient is φ = 5846400.

The previous prime is 12401369. The next prime is 12401399. The reversal of 12401386 is 68310421.

It can be written as a sum of positive squares in 6 ways, for example, as 10208025 + 2193361 = 3195^2 + 1481^2 .

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 12401386.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122736 + ... + 122836.

Almost surely, 2^12401386 is an apocalyptic number.

12401386 is a deficient number, since it is larger than the sum of its proper divisors (7321538).

12401386 is a wasteful number, since it uses less digits than its factorization.

12401386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 12401386 is about 3521.5601656084. The cubic root of 12401386 is about 231.4675288421.

The spelling of 12401386 in words is "twelve million, four hundred one thousand, three hundred eighty-six".