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13475397 = 3131672069
BaseRepresentation
bin110011011001…
…111001000101
3221100121202210
4303121321011
511422203042
61200454033
7222352605
oct63317105
927317683
1013475397
1176742a1
12461a319
132a3a710
141b0ac05
1512b2a9c
hexcd9e45

13475397 has 16 divisors (see below), whose sum is σ = 19474560. Its totient is φ = 8238912.

The previous prime is 13475369. The next prime is 13475419. The reversal of 13475397 is 79357431.

It is a happy number.

It is not a de Polignac number, because 13475397 - 26 = 13475333 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13475317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5479 + ... + 7547.

It is an arithmetic number, because the mean of its divisors is an integer number (1217160).

Almost surely, 213475397 is an apocalyptic number.

It is an amenable number.

13475397 is a deficient number, since it is larger than the sum of its proper divisors (5999163).

13475397 is a wasteful number, since it uses less digits than its factorization.

13475397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2252.

The product of its digits is 79380, while the sum is 39.

The square root of 13475397 is about 3670.8850431470. The cubic root of 13475397 is about 237.9654223241.

The spelling of 13475397 in words is "thirteen million, four hundred seventy-five thousand, three hundred ninety-seven".

Divisors: 1 3 13 39 167 501 2069 2171 6207 6513 26897 80691 345523 1036569 4491799 13475397