13628741 has 4 divisors (see below), whose sum is σ = 15575712. Its totient is φ = 11681772.

The previous prime is 13628737. The next prime is 13628743. The reversal of 13628741 is 14782631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13628741 - 2² = 13628737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13628698 and 13628707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13628743) 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, 973475 + ... + 973488.

It is an arithmetic number, because the mean of its divisors is an integer number (3893928).

Almost surely, 2^13628741 is an apocalyptic number.

It is an amenable number.

13628741 is a deficient number, since it is larger than the sum of its proper divisors (1946971).

13628741 is an equidigital number, since it uses as much as digits as its factorization.

13628741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1946970.

The product of its digits is 8064, while the sum is 32.

The square root of 13628741 is about 3691.7124752613. The cubic root of 13628741 is about 238.8646666465.

The spelling of 13628741 in words is "thirteen million, six hundred twenty-eight thousand, seven hundred forty-one".