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12253880 = 235306347
BaseRepresentation
bin101110101111…
…101010111000
3212001120011102
4232233222320
511114111010
61114350532
7206104412
oct56575270
925046142
1012253880
116a0a581
12412b448
132700722
1418ad9b2
151120ba5
hexbafab8

12253880 has 16 divisors (see below), whose sum is σ = 27571320. Its totient is φ = 4901536.

The previous prime is 12253877. The next prime is 12253883. The reversal of 12253880 is 8835221.

It is an interprime number because it is at equal distance from previous prime (12253877) and next prime (12253883).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12253883) 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, 153134 + ... + 153213.

Almost surely, 212253880 is an apocalyptic number.

12253880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12253880 is an abundant number, since it is smaller than the sum of its proper divisors (15317440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12253880 is a wasteful number, since it uses less digits than its factorization.

12253880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306358 (or 306354 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 12253880 is about 3500.5542418309. The cubic root of 12253880 is about 230.5461501193.

The spelling of 12253880 in words is "twelve million, two hundred fifty-three thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 306347 612694 1225388 1531735 2450776 3063470 6126940 12253880