11901379 has 4 divisors (see below), whose sum is σ = 13601584. Its totient is φ = 10201176.

The previous prime is 11901371. The next prime is 11901389. The reversal of 11901379 is 97310911.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11901379 - 2³ = 11901371 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11901379.

It is not an unprimeable number, because it can be changed into a prime (11901371) 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 3 ways as a sum of consecutive naturals, for example, 850092 + ... + 850105.

It is an arithmetic number, because the mean of its divisors is an integer number (3400396).

Almost surely, 2^11901379 is an apocalyptic number.

11901379 is a deficient number, since it is larger than the sum of its proper divisors (1700205).

11901379 is an equidigital number, since it uses as much as digits as its factorization.

11901379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1700204.

The product of its (nonzero) digits is 1701, while the sum is 31.

The square root of 11901379 is about 3449.8375324064. The cubic root of 11901379 is about 228.3139398995.

The spelling of 11901379 in words is "eleven million, nine hundred one thousand, three hundred seventy-nine".