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13406039 = 195911959
BaseRepresentation
bin110011001000…
…111101010111
3221020002121222
4303020331113
511412443124
61155200555
7221643443
oct63107527
927202558
1013406039
117627179
1245a615b
132a14c8a
141acd823
15129c25e
hexcc8f57

13406039 has 8 divisors (see below), whose sum is σ = 14352000. Its totient is φ = 12484152.

The previous prime is 13406027. The next prime is 13406053. The reversal of 13406039 is 93060431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13406039 - 24 = 13406023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13405999 and 13406017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13406009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4859 + ... + 7100.

It is an arithmetic number, because the mean of its divisors is an integer number (1794000).

Almost surely, 213406039 is an apocalyptic number.

13406039 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

13406039 is a deficient number, since it is larger than the sum of its proper divisors (945961).

13406039 is a wasteful number, since it uses less digits than its factorization.

13406039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12037.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 13406039 is about 3661.4258151709. The cubic root of 13406039 is about 237.5564497397.

The spelling of 13406039 in words is "thirteen million, four hundred six thousand, thirty-nine".

Divisors: 1 19 59 1121 11959 227221 705581 13406039