Search a number
-
+
13700937 = 34566979
BaseRepresentation
bin110100010000…
…111101001001
3221210002011010
4310100331021
512001412222
61205354133
7224312265
oct64207511
927702133
1013700937
117808798
124708949
132ab9283
141b690a5
15130980c
hexd10f49

13700937 has 4 divisors (see below), whose sum is σ = 18267920. Its totient is φ = 9133956.

The previous prime is 13700899. The next prime is 13700971. The reversal of 13700937 is 73900731.

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, and also an emirpimes, since its reverse is a distinct semiprime: 73900731 = 324633577.

It is not a de Polignac number, because 13700937 - 26 = 13700873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13700987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2283487 + ... + 2283492.

It is an arithmetic number, because the mean of its divisors is an integer number (4566980).

Almost surely, 213700937 is an apocalyptic number.

It is an amenable number.

13700937 is a deficient number, since it is larger than the sum of its proper divisors (4566983).

13700937 is an equidigital number, since it uses as much as digits as its factorization.

13700937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4566982.

The product of its (nonzero) digits is 3969, while the sum is 30.

The square root of 13700937 is about 3701.4776779011. The cubic root of 13700937 is about 239.2857060709.

The spelling of 13700937 in words is "thirteen million, seven hundred thousand, nine hundred thirty-seven".

Divisors: 1 3 4566979 13700937