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12992253 = 316992549
BaseRepresentation
bin110001100011…
…111011111101
3220110002000120
4301203323331
511311223003
61142245153
7215301201
oct61437375
926402016
1012992253
1173742aa
1244267b9
1328cb831
141a22b01
151219853
hexc63efd

12992253 has 8 divisors (see below), whose sum is σ = 17340000. Its totient is φ = 8653008.

The previous prime is 12992251. The next prime is 12992269. The reversal of 12992253 is 35229921.

12992253 is a nontrivial binomial coefficient, being equal to C(5098, 2).

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

It is not a de Polignac number, because 12992253 - 21 = 12992251 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12992251) 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, 3823 + ... + 6371.

It is an arithmetic number, because the mean of its divisors is an integer number (2167500).

Almost surely, 212992253 is an apocalyptic number.

12992253 is the 5097-th triangular number and also the 2549-th hexagonal number.

It is an amenable number.

12992253 is a deficient number, since it is larger than the sum of its proper divisors (4347747).

12992253 is a wasteful number, since it uses less digits than its factorization.

12992253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4251.

The product of its digits is 9720, while the sum is 33.

The square root of 12992253 is about 3604.4767997589. The cubic root of 12992253 is about 235.0867523376.

The spelling of 12992253 in words is "twelve million, nine hundred ninety-two thousand, two hundred fifty-three".

Divisors: 1 3 1699 2549 5097 7647 4330751 12992253