10181913 has 8 divisors (see below), whose sum is σ = 15515328. Its totient is φ = 5818224.

The previous prime is 10181909. The next prime is 10181917. The reversal of 10181913 is 31918101.

It is an interprime number because it is at equal distance from previous prime (10181909) and next prime (10181917).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10181913 - 2² = 10181909 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10181917) 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, 242406 + ... + 242447.

It is an arithmetic number, because the mean of its divisors is an integer number (1939416).

Almost surely, 2^10181913 is an apocalyptic number.

It is an amenable number.

10181913 is a deficient number, since it is larger than the sum of its proper divisors (5333415).

10181913 is an equidigital number, since it uses as much as digits as its factorization.

10181913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484863.

The product of its (nonzero) digits is 216, while the sum is 24.

The square root of 10181913 is about 3190.9109984454. The cubic root of 10181913 is about 216.7420253316.

The spelling of 10181913 in words is "ten million, one hundred eighty-one thousand, nine hundred thirteen".