13870037 has 4 divisors (see below), whose sum is σ = 14192640. Its totient is φ = 13547436.

The previous prime is 13869991. The next prime is 13870039. The reversal of 13870037 is 73007831.

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 13870037 - 2¹⁶ = 13804501 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13869991 and 13870009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13870039) 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, 161237 + ... + 161322.

It is an arithmetic number, because the mean of its divisors is an integer number (3548160).

Almost surely, 2^13870037 is an apocalyptic number.

It is an amenable number.

13870037 is a deficient number, since it is larger than the sum of its proper divisors (322603).

13870037 is an equidigital number, since it uses as much as digits as its factorization.

13870037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322602.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 13870037 is about 3724.2498573538. The cubic root of 13870037 is about 240.2661226265.

Adding to 13870037 its reverse (73007831), we get a palindrome (86877868).

The spelling of 13870037 in words is "thirteen million, eight hundred seventy thousand, thirty-seven".