13997852 has 24 divisors (see below), whose sum is σ = 27068160. Its totient is φ = 6280560.

The previous prime is 13997849. The next prime is 13997861. The reversal of 13997852 is 25879931.

It is a super-2 number, since 2×13997852² = 391879721227808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

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, 1463 + ... + 5489.

It is an arithmetic number, because the mean of its divisors is an integer number (1127840).

Almost surely, 2^13997852 is an apocalyptic number.

It is an amenable number.

13997852 is a deficient number, since it is larger than the sum of its proper divisors (13070308).

13997852 is a wasteful number, since it uses less digits than its factorization.

13997852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4121 (or 4119 counting only the distinct ones).

The product of its digits is 136080, while the sum is 44.

The square root of 13997852 is about 3741.3703371893. The cubic root of 13997852 is about 241.0018996309.

The spelling of 13997852 in words is "thirteen million, nine hundred ninety-seven thousand, eight hundred fifty-two".