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12750153 = 3131719231
BaseRepresentation
bin110000101000…
…110101001001
3212222202220220
4300220311021
511231001103
61133140253
7213242313
oct60506511
925882826
1012750153
117219419
12432a689
132845590
14199c7b3
1511bcc53
hexc28d49

12750153 has 16 divisors (see below), whose sum is σ = 19385856. Its totient is φ = 7384320.

The previous prime is 12750149. The next prime is 12750161. The reversal of 12750153 is 35105721.

It is not a de Polignac number, because 12750153 - 22 = 12750149 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12750103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8953 + ... + 10278.

It is an arithmetic number, because the mean of its divisors is an integer number (1211616).

Almost surely, 212750153 is an apocalyptic number.

12750153 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12750153 is a deficient number, since it is larger than the sum of its proper divisors (6635703).

12750153 is a wasteful number, since it uses less digits than its factorization.

12750153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19264.

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 12750153 is about 3570.7356384924. The cubic root of 12750153 is about 233.6173708798.

Adding to 12750153 its reverse (35105721), we get a palindrome (47855874).

The spelling of 12750153 in words is "twelve million, seven hundred fifty thousand, one hundred fifty-three".

Divisors: 1 3 13 17 39 51 221 663 19231 57693 250003 326927 750009 980781 4250051 12750153