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12530837 = 112349529
BaseRepresentation
bin101111110011…
…010010010101
3212120122002002
4233303102111
511201441322
61124325045
7211340024
oct57632225
925518062
1012530837
117089670
124243785
1327997c7
1419428bb
151177c92
hexbf3495

12530837 has 8 divisors (see below), whose sum is σ = 14264640. Its totient is φ = 10896160.

The previous prime is 12530821. The next prime is 12530863. The reversal of 12530837 is 73803521.

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

It is not a de Polignac number, because 12530837 - 24 = 12530821 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 (12530807) 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, 24512 + ... + 25017.

It is an arithmetic number, because the mean of its divisors is an integer number (1783080).

Almost surely, 212530837 is an apocalyptic number.

It is an amenable number.

12530837 is a deficient number, since it is larger than the sum of its proper divisors (1733803).

12530837 is a wasteful number, since it uses less digits than its factorization.

12530837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49563.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 12530837 is about 3539.8922299980. The cubic root of 12530837 is about 232.2701285274.

The spelling of 12530837 in words is "twelve million, five hundred thirty thousand, eight hundred thirty-seven".

Divisors: 1 11 23 253 49529 544819 1139167 12530837