13423837 has 8 divisors (see below), whose sum is σ = 15836672. Its totient is φ = 11134800.

The previous prime is 13423831. The next prime is 13423847. The reversal of 13423837 is 73832431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13423837 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13423799 and 13423808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13423831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30714 + ... + 31147.

It is an arithmetic number, because the mean of its divisors is an integer number (1979584).

Almost surely, 2^13423837 is an apocalyptic number.

It is an amenable number.

13423837 is a deficient number, since it is larger than the sum of its proper divisors (2412835).

13423837 is an equidigital number, since it uses as much as digits as its factorization.

13423837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61899.

The product of its digits is 12096, while the sum is 31.

The square root of 13423837 is about 3663.8554829578. The cubic root of 13423837 is about 237.6615307412.

The spelling of 13423837 in words is "thirteen million, four hundred twenty-three thousand, eight hundred thirty-seven".