Search a number
-
+
13400967 = 34466989
BaseRepresentation
bin110011000111…
…101110000111
3221012211200010
4303013232013
511412312332
61155121303
7221622606
oct63075607
927184603
1013400967
117623388
1245a3233
132a12888
141acba3d
15129a9cc
hexcc7b87

13400967 has 4 divisors (see below), whose sum is σ = 17867960. Its totient is φ = 8933976.

The previous prime is 13400963. The next prime is 13400971. The reversal of 13400967 is 76900431.

It is a happy number.

13400967 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (13400963) and next prime (13400971).

It is not a de Polignac number, because 13400967 - 22 = 13400963 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13400963) 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, 2233492 + ... + 2233497.

It is an arithmetic number, because the mean of its divisors is an integer number (4466990).

Almost surely, 213400967 is an apocalyptic number.

13400967 is a deficient number, since it is larger than the sum of its proper divisors (4466993).

13400967 is an equidigital number, since it uses as much as digits as its factorization.

13400967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4466992.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 13400967 is about 3660.7331232965. The cubic root of 13400967 is about 237.5264871659.

The spelling of 13400967 in words is "thirteen million, four hundred thousand, nine hundred sixty-seven".

Divisors: 1 3 4466989 13400967