Search a number
-
+
13249396 = 224180789
BaseRepresentation
bin110010100010…
…101101110100
3220221010202101
4302202231310
511342440041
61151551444
7220421656
oct62425564
926833671
1013249396
11752a516
12452b584
13298b8a4
141a8c6d6
15126ab31
hexca2b74

13249396 has 12 divisors (see below), whose sum is σ = 23752260. Its totient is φ = 6463040.

The previous prime is 13249393. The next prime is 13249421. The reversal of 13249396 is 69394231.

13249396 = T104 + T105 + ... + T431.

13249396 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 929296 + 12320100 = 964^2 + 3510^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13249393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40231 + ... + 40558.

It is an arithmetic number, because the mean of its divisors is an integer number (1979355).

Almost surely, 213249396 is an apocalyptic number.

It is an amenable number.

13249396 is a deficient number, since it is larger than the sum of its proper divisors (10502864).

13249396 is a wasteful number, since it uses less digits than its factorization.

13249396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80834 (or 80832 counting only the distinct ones).

The product of its digits is 34992, while the sum is 37.

The square root of 13249396 is about 3639.9719779141. The cubic root of 13249396 is about 236.6275789003.

The spelling of 13249396 in words is "thirteen million, two hundred forty-nine thousand, three hundred ninety-six".

Divisors: 1 2 4 41 82 164 80789 161578 323156 3312349 6624698 13249396