13665465 has 48 divisors (see below), whose sum is σ = 27218880. Its totient is φ = 6272640.

The previous prime is 13665413. The next prime is 13665481. The reversal of 13665465 is 56456631.

13665465 is a `hidden beast` number, since 136 + 65 + 465 = 666.

It is not a de Polignac number, because 13665465 - 2⁹ = 13664953 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8679 + ... + 10131.

It is an arithmetic number, because the mean of its divisors is an integer number (567060).

Almost surely, 2^13665465 is an apocalyptic number.

13665465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13665465 is a deficient number, since it is larger than the sum of its proper divisors (13553415).

13665465 is a wasteful number, since it uses less digits than its factorization.

13665465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1494 (or 1491 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 13665465 is about 3696.6829726121. The cubic root of 13665465 is about 239.0790224387.

The spelling of 13665465 in words is "thirteen million, six hundred sixty-five thousand, four hundred sixty-five".