11861402 has 16 divisors (see below), whose sum is σ = 20621952. Its totient is φ = 5011440.

The previous prime is 11861401. The next prime is 11861407. The reversal of 11861402 is 20416811.

It is not an unprimeable number, because it can be changed into a prime (11861401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4973 + ... + 6960.

It is an arithmetic number, because the mean of its divisors is an integer number (1288872).

Almost surely, 2^11861402 is an apocalyptic number.

11861402 is a deficient number, since it is larger than the sum of its proper divisors (8760550).

11861402 is a wasteful number, since it uses less digits than its factorization.

11861402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12013.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 11861402 is about 3444.0386176697. The cubic root of 11861402 is about 228.0580159124.

The spelling of 11861402 in words is "eleven million, eight hundred sixty-one thousand, four hundred two".