11379815 has 8 divisors (see below), whose sum is σ = 13725600. Its totient is φ = 9057312.

The previous prime is 11379811. The next prime is 11379833. The reversal of 11379815 is 51897311.

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 11379815 - 2² = 11379811 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11379811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4724 + ... + 6713.

It is an arithmetic number, because the mean of its divisors is an integer number (1715700).

Almost surely, 2^11379815 is an apocalyptic number.

11379815 is a deficient number, since it is larger than the sum of its proper divisors (2345785).

11379815 is a wasteful number, since it uses less digits than its factorization.

11379815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11641.

The product of its digits is 7560, while the sum is 35.

The square root of 11379815 is about 3373.3981383762. The cubic root of 11379815 is about 224.9288005171.

The spelling of 11379815 in words is "eleven million, three hundred seventy-nine thousand, eight hundred fifteen".