13761623 has 4 divisors (see below), whose sum is σ = 13795680. Its totient is φ = 13727568.

The previous prime is 13761617. The next prime is 13761667. The reversal of 13761623 is 32616731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13761623 - 2⁴ = 13761607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13761023) 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, 16415 + ... + 17232.

It is an arithmetic number, because the mean of its divisors is an integer number (3448920).

Almost surely, 2^13761623 is an apocalyptic number.

13761623 is a deficient number, since it is larger than the sum of its proper divisors (34057).

13761623 is an equidigital number, since it uses as much as digits as its factorization.

13761623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34056.

The product of its digits is 4536, while the sum is 29.

The square root of 13761623 is about 3709.6661574864. Note that the first 3 decimals coincide. The cubic root of 13761623 is about 239.6384776876.

It can be divided in two parts, 13 and 761623, that multiplied together give a palindrome (9901099).

The spelling of 13761623 in words is "thirteen million, seven hundred sixty-one thousand, six hundred twenty-three".