Search a number
-
+
12613948 = 2219269617
BaseRepresentation
bin110000000111…
…100100111100
3212201212002021
4300013210330
511212121243
61130205524
7212134234
oct60074474
925655067
1012613948
117136056
1242838a4
1327c8599
141964cc4
1511926ed
hexc0793c

12613948 has 24 divisors (see below), whose sum is σ = 23360400. Its totient is φ = 5943168.

The previous prime is 12613933. The next prime is 12613957. The reversal of 12613948 is 84931621.

It is a super-2 number, since 2×126139482 = 318223368293408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20136 + ... + 20752.

It is an arithmetic number, because the mean of its divisors is an integer number (973350).

Almost surely, 212613948 is an apocalyptic number.

It is an amenable number.

12613948 is a deficient number, since it is larger than the sum of its proper divisors (10746452).

12613948 is a wasteful number, since it uses less digits than its factorization.

12613948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909 (or 907 counting only the distinct ones).

The product of its digits is 10368, while the sum is 34.

The square root of 12613948 is about 3551.6120283612. The cubic root of 12613948 is about 232.7825093239.

The spelling of 12613948 in words is "twelve million, six hundred thirteen thousand, nine hundred forty-eight".

Divisors: 1 2 4 19 38 76 269 538 617 1076 1234 2468 5111 10222 11723 20444 23446 46892 165973 331946 663892 3153487 6306974 12613948