11401917 has 12 divisors (see below), whose sum is σ = 16150656. Its totient is φ = 7153600.

The previous prime is 11401909. The next prime is 11401921. The reversal of 11401917 is 71910411.

It is not a de Polignac number, because 11401917 - 2³ = 11401909 is a prime.

It is a super-2 number, since 2×11401917² = 260007422549778, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11401987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5709 + ... + 7442.

It is an arithmetic number, because the mean of its divisors is an integer number (1345888).

Almost surely, 2^11401917 is an apocalyptic number.

11401917 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

11401917 is a deficient number, since it is larger than the sum of its proper divisors (4748739).

11401917 is a wasteful number, since it uses less digits than its factorization.

11401917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13188 (or 13171 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 24.

The square root of 11401917 is about 3376.6724744932. The cubic root of 11401917 is about 225.0743260619.

The spelling of 11401917 in words is "eleven million, four hundred one thousand, nine hundred seventeen".