13742637 has 4 divisors (see below), whose sum is σ = 18323520. Its totient is φ = 9161756.

The previous prime is 13742633. The next prime is 13742639. The reversal of 13742637 is 73624731.

13742637 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 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 13742637 - 2² = 13742633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13742598 and 13742607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13742633) 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, 2290437 + ... + 2290442.

It is an arithmetic number, because the mean of its divisors is an integer number (4580880).

Almost surely, 2^13742637 is an apocalyptic number.

It is an amenable number.

13742637 is a deficient number, since it is larger than the sum of its proper divisors (4580883).

13742637 is an equidigital number, since it uses as much as digits as its factorization.

13742637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4580882.

The product of its digits is 21168, while the sum is 33.

The square root of 13742637 is about 3707.1062838823. The cubic root of 13742637 is about 239.5282225216.

The spelling of 13742637 in words is "thirteen million, seven hundred forty-two thousand, six hundred thirty-seven".