12402886 has 8 divisors (see below), whose sum is σ = 18909504. Its totient is φ = 6099720.

The previous prime is 12402853. The next prime is 12402893. The reversal of 12402886 is 68820421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12402886² = 307663162257992, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50710 + ... + 50953.

It is an arithmetic number, because the mean of its divisors is an integer number (2363688).

Almost surely, 2^12402886 is an apocalyptic number.

12402886 is a deficient number, since it is larger than the sum of its proper divisors (6506618).

12402886 is a wasteful number, since it uses less digits than its factorization.

12402886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101726.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 12402886 is about 3521.7731329545. The cubic root of 12402886 is about 231.4768607909.

The spelling of 12402886 in words is "twelve million, four hundred two thousand, eight hundred eighty-six".