13923161 has 16 divisors (see below), whose sum is σ = 16640640. Its totient is φ = 11397120.

The previous prime is 13923127. The next prime is 13923163. The reversal of 13923161 is 16132931.

It is not a de Polignac number, because 13923161 - 2¹⁴ = 13906777 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13923161.

It is not an unprimeable number, because it can be changed into a prime (13923163) 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 15 ways as a sum of consecutive naturals, for example, 21401 + ... + 22041.

It is an arithmetic number, because the mean of its divisors is an integer number (1040040).

Almost surely, 2^13923161 is an apocalyptic number.

It is an amenable number.

13923161 is a deficient number, since it is larger than the sum of its proper divisors (2717479).

13923161 is a wasteful number, since it uses less digits than its factorization.

13923161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784.

The product of its digits is 972, while the sum is 26.

The square root of 13923161 is about 3731.3752156544. The cubic root of 13923161 is about 240.5724817300.

The spelling of 13923161 in words is "thirteen million, nine hundred twenty-three thousand, one hundred sixty-one".