13487394 has 8 divisors (see below), whose sum is σ = 26974800. Its totient is φ = 4495796.

The previous prime is 13487393. The next prime is 13487437. The reversal of 13487394 is 49378431.

13487394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

13487394 is an admirable number.

It is a super-2 number, since 2×13487394² = 363819593822472, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13487393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1123944 + ... + 1123955.

It is an arithmetic number, because the mean of its divisors is an integer number (3371850).

Almost surely, 2^13487394 is an apocalyptic number.

13487394 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13487394 is a wasteful number, since it uses less digits than its factorization.

13487394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2247904.

The product of its digits is 72576, while the sum is 39.

The square root of 13487394 is about 3672.5187542067. The cubic root of 13487394 is about 238.0360207233.

The spelling of 13487394 in words is "thirteen million, four hundred eighty-seven thousand, three hundred ninety-four".