Search a number
-
+
12521092 = 2210330391
BaseRepresentation
bin101111110000…
…111010000100
3212120010201011
4233300322010
511201133332
61124212004
7211266433
oct57607204
925503634
1012521092
117082311
12423a004
13279523c
14193d11a
151174e47
hexbf0e84

12521092 has 12 divisors (see below), whose sum is σ = 22125376. Its totient is φ = 6199560.

The previous prime is 12521087. The next prime is 12521099. The reversal of 12521092 is 29012521.

12521092 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (12521099) 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, 14784 + ... + 15607.

Almost surely, 212521092 is an apocalyptic number.

It is an amenable number.

12521092 is a deficient number, since it is larger than the sum of its proper divisors (9604284).

12521092 is a wasteful number, since it uses less digits than its factorization.

12521092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30498 (or 30496 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 12521092 is about 3538.5155079496. The cubic root of 12521092 is about 232.2099021858.

The spelling of 12521092 in words is "twelve million, five hundred twenty-one thousand, ninety-two".

Divisors: 1 2 4 103 206 412 30391 60782 121564 3130273 6260546 12521092