12402870 has 16 divisors (see below), whose sum is σ = 29766960. Its totient is φ = 3307424.

The previous prime is 12402853. The next prime is 12402893. The reversal of 12402870 is 7820421.

12402870 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12402870.

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, 206685 + ... + 206744.

It is an arithmetic number, because the mean of its divisors is an integer number (1860435).

Almost surely, 2^12402870 is an apocalyptic number.

12402870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12402870 is an abundant number, since it is smaller than the sum of its proper divisors (17364090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12402870 is a wasteful number, since it uses less digits than its factorization.

12402870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413439.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 12402870 is about 3521.7708613707. The cubic root of 12402870 is about 231.4767612541.

The spelling of 12402870 in words is "twelve million, four hundred two thousand, eight hundred seventy".