13472381 has 8 divisors (see below), whose sum is σ = 15362424. Its totient is φ = 11704320.

The previous prime is 13472377. The next prime is 13472401. The reversal of 13472381 is 18327431.

13472381 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3481 + 13468900 = 59^2 + 3670^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 13472381 - 2² = 13472377 is a prime.

It is a super-2 number, since 2×13472381² = 363010099618322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13472341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30260 + ... + 30701.

It is an arithmetic number, because the mean of its divisors is an integer number (1920303).

Almost surely, 2^13472381 is an apocalyptic number.

It is an amenable number.

13472381 is a deficient number, since it is larger than the sum of its proper divisors (1890043).

13472381 is a wasteful number, since it uses less digits than its factorization.

13472381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60991.

The product of its digits is 4032, while the sum is 29.

The square root of 13472381 is about 3670.4742200430. The cubic root of 13472381 is about 237.9476675654.

The spelling of 13472381 in words is "thirteen million, four hundred seventy-two thousand, three hundred eighty-one".