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12552590 = 251255259
BaseRepresentation
bin101111111000…
…100110001110
3212121201220202
4233320212032
511203140330
61125013502
7211460321
oct57704616
925551822
1012552590
1170a3a46
124254292
1327a668b
14194a7b8
15117e445
hexbf898e

12552590 has 8 divisors (see below), whose sum is σ = 22594680. Its totient is φ = 5021032.

The previous prime is 12552581. The next prime is 12552599. The reversal of 12552590 is 9525521.

It is an interprime number because it is at equal distance from previous prime (12552581) and next prime (12552599).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12552599) 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, 627620 + ... + 627639.

It is an arithmetic number, because the mean of its divisors is an integer number (2824335).

Almost surely, 212552590 is an apocalyptic number.

12552590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12552590 is a deficient number, since it is larger than the sum of its proper divisors (10042090).

12552590 is a wasteful number, since it uses less digits than its factorization.

12552590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255266.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 12552590 is about 3542.9634488659. The cubic root of 12552590 is about 232.4044545169.

The spelling of 12552590 in words is "twelve million, five hundred fifty-two thousand, five hundred ninety".

Divisors: 1 2 5 10 1255259 2510518 6276295 12552590