13901953 has 8 divisors (see below), whose sum is σ = 15254568. Its totient is φ = 12589824.

The previous prime is 13901947. The next prime is 13901957. The reversal of 13901953 is 35910931.

It can be written as a sum of positive squares in 4 ways, for example, as 2226064 + 11675889 = 1492^2 + 3417^2 .

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

It is not a de Polignac number, because 13901953 - 2⁹ = 13901441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13901957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9400 + ... + 10777.

It is an arithmetic number, because the mean of its divisors is an integer number (1906821).

Almost surely, 2^13901953 is an apocalyptic number.

13901953 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13901953 is a deficient number, since it is larger than the sum of its proper divisors (1352615).

13901953 is a wasteful number, since it uses less digits than its factorization.

13901953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20243.

The product of its (nonzero) digits is 3645, while the sum is 31.

The square root of 13901953 is about 3728.5322849615. The cubic root of 13901953 is about 240.4502716010.

The spelling of 13901953 in words is "thirteen million, nine hundred one thousand, nine hundred fifty-three".