13642461 has 24 divisors (see below), whose sum is σ = 22800960. Its totient is φ = 7698816.

The previous prime is 13642457. The next prime is 13642469. The reversal of 13642461 is 16424631.

13642461 is a `hidden beast` number, since 13 + 642 + 4 + 6 + 1 = 666.

13642461 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13642461 - 2² = 13642457 is a prime.

It is a super-2 number, since 2×13642461² = 372233484273042, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13642469) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3925 + ... + 6533.

It is an arithmetic number, because the mean of its divisors is an integer number (950040).

Almost surely, 2^13642461 is an apocalyptic number.

It is an amenable number.

13642461 is a deficient number, since it is larger than the sum of its proper divisors (9158499).

13642461 is a wasteful number, since it uses less digits than its factorization.

13642461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2705 (or 2702 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 13642461 is about 3693.5702240515. The cubic root of 13642461 is about 238.9447944714.

The spelling of 13642461 in words is "thirteen million, six hundred forty-two thousand, four hundred sixty-one".