13911198 has 24 divisors (see below), whose sum is σ = 32365512. Its totient is φ = 3974544.

The previous prime is 13911193. The next prime is 13911203. The reversal of 13911198 is 89111931.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13911193) and next prime (13911203).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13911193) 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 11 ways as a sum of consecutive naturals, for example, 23365 + ... + 23952.

It is an arithmetic number, because the mean of its divisors is an integer number (1348563).

Almost surely, 2^13911198 is an apocalyptic number.

13911198 is an abundant number, since it is smaller than the sum of its proper divisors (18454314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13911198 is a wasteful number, since it uses less digits than its factorization.

13911198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47336 (or 47329 counting only the distinct ones).

The product of its digits is 1944, while the sum is 33.

The square root of 13911198 is about 3729.7718428880. The cubic root of 13911198 is about 240.5035607606.

The spelling of 13911198 in words is "thirteen million, nine hundred eleven thousand, one hundred ninety-eight".