13701945 has 32 divisors (see below), whose sum is σ = 23316480. Its totient is φ = 6851520.

The previous prime is 13701937. The next prime is 13701959. The reversal of 13701945 is 54910731.

It is not a de Polignac number, because 13701945 - 2³ = 13701937 is a prime.

It is a Curzon number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 37152 + ... + 37518.

It is an arithmetic number, because the mean of its divisors is an integer number (728640).

Almost surely, 2^13701945 is an apocalyptic number.

13701945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13701945 is a deficient number, since it is larger than the sum of its proper divisors (9614535).

13701945 is a wasteful number, since it uses less digits than its factorization.

13701945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 13701945 is about 3701.6138372337. The cubic root of 13701945 is about 239.2915741386.

The spelling of 13701945 in words is "thirteen million, seven hundred one thousand, nine hundred forty-five".