Search a number
-
+
12945404 = 2213723623
BaseRepresentation
bin110001011000…
…011111111100
3220100200202102
4301120133330
511303223104
61141244232
7215014463
oct61303774
926320672
1012945404
11734208a
124403678
1328b3404
141a0d9da
15120aa1e
hexc587fc

12945404 has 12 divisors (see below), whose sum is σ = 22820784. Its totient is φ = 6425184.

The previous prime is 12945391. The next prime is 12945419. The reversal of 12945404 is 40454921.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11264 + ... + 12359.

It is an arithmetic number, because the mean of its divisors is an integer number (1901732).

Almost surely, 212945404 is an apocalyptic number.

It is an amenable number.

12945404 is a deficient number, since it is larger than the sum of its proper divisors (9875380).

12945404 is a wasteful number, since it uses less digits than its factorization.

12945404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23764 (or 23762 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 12945404 is about 3597.9722066742. The cubic root of 12945404 is about 234.8038441598.

The spelling of 12945404 in words is "twelve million, nine hundred forty-five thousand, four hundred four".

Divisors: 1 2 4 137 274 548 23623 47246 94492 3236351 6472702 12945404