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13352941 = 72733733
BaseRepresentation
bin110010111011…
…111111101101
3221010101210101
4302323333231
511404243231
61154111101
7221332600
oct62737755
927111711
1013352941
1175a0298
12457b491
1329c6a64
141ab8337
15128b661
hexcbbfed

13352941 has 12 divisors (see below), whose sum is σ = 15750012. Its totient is φ = 11285568.

The previous prime is 13352929. The next prime is 13352959. The reversal of 13352941 is 14925331.

13352941 = 133 + 143 + ... + 853.

It can be written as a sum of positive squares in 2 ways, for example, as 7452900 + 5900041 = 2730^2 + 2429^2 .

It is not a de Polignac number, because 13352941 - 221 = 11255789 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 (13352981) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1711 + ... + 5443.

It is an arithmetic number, because the mean of its divisors is an integer number (1312501).

Almost surely, 213352941 is an apocalyptic number.

It is an amenable number.

13352941 is a deficient number, since it is larger than the sum of its proper divisors (2397071).

13352941 is an equidigital number, since it uses as much as digits as its factorization.

13352941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3820 (or 3813 counting only the distinct ones).

The product of its digits is 3240, while the sum is 28.

The square root of 13352941 is about 3654.1676206764. The cubic root of 13352941 is about 237.2424006644.

The spelling of 13352941 in words is "thirteen million, three hundred fifty-two thousand, nine hundred forty-one".

Divisors: 1 7 49 73 511 3577 3733 26131 182917 272509 1907563 13352941