Search a number
-
+
12749350 = 252254987
BaseRepresentation
bin110000101000…
…101000100110
3212222201211011
4300220220212
511230434400
61133132434
7213240055
oct60505046
925881734
1012749350
117218859
12432a11a
1328450c3
14199c39c
1511bc8ba
hexc28a26

12749350 has 12 divisors (see below), whose sum is σ = 23713884. Its totient is φ = 5099720.

The previous prime is 12749327. The next prime is 12749353. The reversal of 12749350 is 5394721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12749353) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 127444 + ... + 127543.

It is an arithmetic number, because the mean of its divisors is an integer number (1976157).

Almost surely, 212749350 is an apocalyptic number.

12749350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12749350 is a deficient number, since it is larger than the sum of its proper divisors (10964534).

12749350 is a wasteful number, since it uses less digits than its factorization.

12749350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254999 (or 254994 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 12749350 is about 3570.6231949059. The cubic root of 12749350 is about 233.6124663978.

The spelling of 12749350 in words is "twelve million, seven hundred forty-nine thousand, three hundred fifty".

Divisors: 1 2 5 10 25 50 254987 509974 1274935 2549870 6374675 12749350