11556379 has 8 divisors (see below), whose sum is σ = 12521520. Its totient is φ = 10622976.

The previous prime is 11556359. The next prime is 11556409. The reversal of 11556379 is 97365511.

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

It is a cyclic number.

It is not a de Polignac number, because 11556379 - 2²³ = 3167771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11556359) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7174 + ... + 8635.

It is an arithmetic number, because the mean of its divisors is an integer number (1565190).

Almost surely, 2^11556379 is an apocalyptic number.

11556379 is a deficient number, since it is larger than the sum of its proper divisors (965141).

11556379 is a wasteful number, since it uses less digits than its factorization.

11556379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15869.

The product of its digits is 28350, while the sum is 37.

The square root of 11556379 is about 3399.4674582940. The cubic root of 11556379 is about 226.0861328828.

It can be divided in two parts, 11556 and 379, that added together give a triangular number (11935 = T₁₅₄).

The spelling of 11556379 in words is "eleven million, five hundred fifty-six thousand, three hundred seventy-nine".