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13612397 = 293671279
BaseRepresentation
bin110011111011…
…010101101101
3221121120200212
4303323111231
511441044042
61203432205
7223463201
oct63732555
927546625
1013612397
117758217
124685665
132a87b96
141b44b01
1512dd482
hexcfb56d

13612397 has 8 divisors (see below), whose sum is σ = 14131200. Its totient is φ = 13096944.

The previous prime is 13612387. The next prime is 13612399. The reversal of 13612397 is 79321631.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 13612397 - 28 = 13612141 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 (13612399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10004 + ... + 11282.

It is an arithmetic number, because the mean of its divisors is an integer number (1766400).

Almost surely, 213612397 is an apocalyptic number.

It is an amenable number.

13612397 is a deficient number, since it is larger than the sum of its proper divisors (518803).

13612397 is a wasteful number, since it uses less digits than its factorization.

13612397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1675.

The product of its digits is 6804, while the sum is 32.

The square root of 13612397 is about 3689.4982043633. The cubic root of 13612397 is about 238.7691438648.

The spelling of 13612397 in words is "thirteen million, six hundred twelve thousand, three hundred ninety-seven".

Divisors: 1 29 367 1279 10643 37091 469393 13612397